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Hot Topic
Deep Space
Cosmic Evolution
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Calculating the Odds of Habitable Worlds Nearby
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| Topic: Cosmic Evolution |
03/16/13 |
| A new study shows that the number of potentially habitable planets in the Universe is greater than previously thought. The study focuses on Earth-sized planets in the habitable zones of low-mass stars. |
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Closest Star System Found in a Century
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| Topic: Cosmic Evolution |
03/15/13 |
| Scientists have reported that a newly discovered binary star system is the third-closest star system to the Sun. In fact, the brown dwarf stars are the closest star system discovered since 1916. |
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Searching for the Solar System's Chemical Recipe
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| Topic: Cosmic Evolution |
03/04/13 |
| Scientists are uncovering new information about how the Solar System evolved by studying the origins of different isotope ratios among the elements that make up objects like planets and moons in our system. |
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Are Super-Earths Actually Mini-Neptunes?
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| Topic: Cosmic Evolution |
02/05/13 |
| A new study suggests that super-Earth planets might be unlikely to ever become truly Earth-like. These worlds may be more like mini-Neptunes. |
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Habitable Binary Star Systems
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| Topic: Cosmic Evolution |
02/04/13 |
| Habitable planets hoping to see a double sunset stand the best chance when orbiting twin stars that are close together. |
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A New Model for Habitable Zones
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| Topic: Cosmic Evolution |
02/02/13 |
| Scientists have developed an updated model for determining whether or not extrasolar planets lie within the 'habitable zone' of their host stars. |
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Nearby Planetary Nursery More Massive Than Previously Thought
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| Topic: Cosmic Evolution |
02/01/13 |
| Astronomers have used a new method to determine the mass of the planetary nursery around the nearby star TW Hydrae. The star's disk is much larger than previously believed, and could be forming planets similar to those of our own solar system. |
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Wide Binary Stars Can Disrupt Planetary Systems
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| Topic: Cosmic Evolution |
01/09/13 |
| A new study suggests that planetary systems with binary stars that are far apart could experience dramatic, disruptive events over time. Researchers used our solar system as a model and added a distant binary companion for the Sun. In over half the simulations, one of the four giant planets was ejected from our system. |
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Studying Planet-Forming Gas Streams
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| Topic: Cosmic Evolution |
01/04/13 |
| For the first time, astronomers have witnessed a key stage in the birth of giant planets around a young star. |
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